The OSSC CGL Exam 2025 conducted by the Odisha Staff Selection Commission is a gateway to Group B and Group C posts under various Odisha state departments. Candidates aiming for these government jobs must be well-versed with the updated syllabus and exam pattern. Below is the complete, topic-wise OSSC CGL syllabus for Prelims, Mains, and Skill Test, including all subjects, descriptions, marks, recommended books, and PDF download link.
OSSC CGL 2025 – Exam Stages
The OSSC CGL recruitment process is conducted in the following stages:
Preliminary Examination – Objective-type screening testMain Examination – Subject-specific papers including descriptive sectionsComputer Skill Test – Qualifying in nature (for applicable posts)Document Verification – Final verification of eligibility
OSSC CGL Exam Pattern 2025 – All Stages at a Glance
Stage
Mode
Marks
Duration
Negative Marking
Prelims
Online (MCQ)
150
2.5 Hours
Yes (–0.25)
Mains – Paper I
Offline (Descriptive & Objective)
100
2.5 Hours
Yes (–0.25)
Mains – Paper II
Offline (MCQ)
100
2.5 Hours
Yes (–0.25)
Skill Test
Practical (MS Office)
Qualifying
30 minutes
No
OSSC CGL Prelims Syllabus 2025 – Subject-wise Topics
1. Arithmetic (Quantitative Aptitude)
Topic
Description
Number System
Divisibility, LCM, HCF, rational numbers
Percentage
Calculation of increase/decrease, basic applications
Profit & Loss
Discount, CP/SP, margin calculations
Simple & Compound Interest
Time-bound financial calculations
Ratio & Proportion
Mixtures, partnerships, direct-inverse ratios
Time & Work
Efficiency, combined work problems
Time, Speed & Distance
Relative speed, train and boat problems
Mensuration
Area and volume of 2D and 3D figures
Data Interpretation
Graph-based analysis – pie, bar, table
Section 2: Logical Reasoning & Mental Ability
TOPIC
DETAILED TOPIC
Analogy
Word-based, number-based, and symbol-based analogy
Classification
Odd one out based on words, numbers, figures, or logic
Number & Letter Series
Arithmetic and alphabetic progression, missing terms
Coding-Decoding
Letter shifting, number substitution, alphanumeric codes
Blood Relations
Family tree, coded relations, puzzles based on relationships
Direction Sense
Distance and direction-based reasoning, route analysis
Statements and Conclusions
Logical reasoning using verbal statements and assumptions
Seating Arrangement
Linear, circular, and square seating arrangements with conditions
Syllogism
Venn diagram approach, universal and particular conclusions
Section 3: General Awareness
TOPIC
DETAILED TOPIC
Indian Polity & Constitution
Preamble, Fundamental Rights & Duties, Directive Principles, Union & State Govt, Parliament, Judiciary, Important Articles and Amendments
Indian History & National Movement
Harappan & Vedic Civilization, Maurya & Gupta Period, Sultanate & Mughal Rule, Revolt of 1857, Indian National Congress, Freedom Fighters, Gandhi Era
Geography (India & Odisha)
Mountains, Rivers, Soils, Climate, Agriculture, Minerals, Odisha geography, Districts, Forest cover, Natural Resources
Indian Economy & Budget
Sectors of Economy, GDP, Inflation, Fiscal Policies, Budget Highlights, Banking structure, NITI Aayog
Environmental Issues
Deforestation, Biodiversity Loss, Climate Change, Pollution Types, Eco-conservation measures
Important Government Schemes
PM-KISAN, MGNREGA, Beti Bachao Beti Padhao, Ayushman Bharat, Odisha KALIA, Mission Shakti, Mo Sarkar
Current Events – National & International
Important awards, Appointments, Summits, Sports, Defence, Science & Tech, State & Central schemes launched recently
Section 4: Computer Knowledge
TOPIC
DETAILED TOPIC
Basics of Computers
Generations of computers, types of computers, input-output devices, memory units
MS Office
Features and functions of MS Word (editing, formatting), MS Excel (formulas, charts), MS PowerPoint (slide design, transitions)
Internet & Networking
IP address, URLs, LAN/WAN, Wi-Fi, Network Devices (Router, Modem), HTTP/FTP protocols
Email Usage
Sending/receiving emails, CC/BCC, email etiquette, attachments
Cybersecurity Concepts
Malware, Phishing, Firewalls, Safe browsing practices, Digital Signatures
Operating Systems
Functions, types (batch, multitasking, time-sharing), examples (Windows, Linux)
Section 5: Odisha Specific General Knowledge (GK)
TOPIC
DETAILED TOPIC
Odisha’s History & Culture
Kalinga War, Gajapati rulers, Maritime history, Temple architecture, Folk traditions
Freedom Fighters from Odisha
Buxi Jagabandhu, Madhusudan Das, Gopabandhu Das, Laxman Naik, Surendra Sai
Important Temples & Monuments
Jagannath Temple, Konark Sun Temple, Lingaraj Temple, Udayagiri & Khandagiri, Dhauli
Tribes and Languages
Major tribes (Kondh, Saura, Bonda), tribal customs, Odia and regional dialects
Odisha Festivals & Dance Forms
Rath Yatra, Raja Parba, Nuakhai, Odissi dance, Chhau, Gotipua
Recent State Policies
KALIA Scheme, Biju Swasthya Kalyan Yojana, 5T Initiative, Mo Sarkar, Mission Shakti
OSSC CGL Mains Syllabus 2025 – Paper-Wise Topics
Paper I: Language (English & Odia)
Section
Topics Covered
English Language
Essay Writing
Precis Writing
Letter/Application
Grammar: Tenses, Voice, Articles, Prepositions
Synonyms/Antonyms
Translation (Odia to English)
Odia Language
Grammar & Usage (Sandhi, Samasa, Karaka)
Translation (English to Odia)
Short Essay
Letter/Application in Odia
Paper II: General Studies (Objective Type) – Syllabus Breakdown
Subject Topics Covered Key Areas of Focus
Indian History, Culture & National Movement Ancient, Medieval & Modern Indian History, Freedom Struggle, Cultural Heritage
Important dynasties, reform movements, leaders of independence, cultural contributions
Geography (Physical & Political) Physical features, Climate, Soil, River Systems, Political Divisions, Natural Resources
Indian geography, Odisha geography, population distribution, agriculture, mineral resources
Constitution of India Preamble, Fundamental Rights & Duties, DPSPs, Union & State Governments, Amendments
Key Articles, Schedules, Important Amendments, Emergency provisions
Governance & Public Policy Governance Mechanisms, Transparency, Accountability, RTI, E-Governance
Good governance practices, policy implementation, citizen-centric initiatives
Odisha State Government Structure Legislative Assembly, Executive, Judiciary, Local Government
Role of Governor, Chief Minister, Panchayati Raj institutions, State Public Service Commission (OPSC)
Current Affairs – State & National Latest events of national and Odisha state importance
Sports, awards, appointments, government schemes, international affairs
Basic Science (Physics, Chemistry, Biology) Fundamentals of Science, Human Body, Environmental Science, Common Scientific Phenomena
Scientific concepts in daily life, basic laws of physics, chemistry, human biology
Technology & Innovations IT, Space Technology, Recent Innovations, Digital India, Robotics, AI
ISRO achievements, new tech trends, national initiatives (Digital India, Startup India)
Environment & Climate Change Ecosystems, Biodiversity, Environmental Pollution, Climate Action, Sustainable Development
Global warming, climate treaties, conservation efforts, Odisha-specific environmental issues
Skill Test (For Selected Posts)
The skill test is qualifying in nature and applicable for Junior Assistants/Clerks/Field Posts. It includes:
Typing speed test in MS Word
Creating tables and formulas in MS Excel
Preparing a PowerPoint presentation
Basic knowledge of file operations
OSSC CGL Syllabus 2025 PDF Download
To download the official OSSC CGL syllabus in PDF format, visit the OSSC portal:
Click here to download OSSC CGL Syllabus PDF
Best Books for OSSC CGL 2025 Preparation
Subject
Book
Author/Publisher
Quantitative Aptitude
Quantitative Aptitude
R.S. Aggarwal
Reasoning
Analytical Reasoning
M.K. Pandey
English Language
Objective General English
S.P. Bakshi (Arihant)
General Awareness
Lucent’s General Knowledge
Lucent Publications
Computer Knowledge
Computer Awareness
Arihant Experts
Odia Grammar
Odia Sahitya & Grammar Guide
P.K. Swain
OSSC CGL 2025 Preparation Strategy
Understand the exam pattern and syllabus before planning.Make a study schedule covering all topics with regular revision.Practice mock tests and previous year questions.Stay updated with current affairs via newspapers and apps.Focus on Odisha-specific knowledge —it is scoring and important.Enhance typing and MS Office skills for the Skill Test stage.
Stay consistent and track your weekly progress.
OSSC CGL Posts & Specializations
Successful candidates are appointed to various Group B & C state-level posts, including:
Auditor
Junior Assistant
Junior Clerk
Supply Inspector
Field Officer
Statistical Assistant
Conclusion
The OSSC CGL 2025 syllabus demands a balanced focus on aptitude, reasoning, general studies, and Odisha-specific knowledge. Knowing the exact syllabus, preparing with the right strategy, and choosing good books are crucial to cracking this exam. Regular revision, mock tests, and computer proficiency will give you a strong edge. Download the syllabus, stick to your plan, and success will follow. Best wishes for your OSSC CGL journey!
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